Cleaning Instructions - WEG CF W100 Serie Manual Del Usuario

The inverters require low maintenance when properly installed and operated.
Table 6.2 on page 27 presents the main procedures and time intervals for preventive maintenance.
page 27 provides recommended periodic inspections to be performed every 6 months after the inverter start-up.
Maintenance
Fan replacement
Electrolytic If the
capacitors is stocked (not
being
"Reforming"
Inverter is being
used: replace
Component
Terminals, connectors
Fans/cooling systems
(*)
Printed circuits boards
Power module/power connections
DC Link capacitors
Power resistors
Heatsink

6.5 CLEANING INSTRUCTIONS

When it is necessary to clean the inverter, follow the instructions below:
Ventilation system:
Disconnect the inverter power supply and wait for 10 minutes.
„
Remove the dust from the cooling air inlet by using a soft brush or cloth.
„
Remove the dust from the heatsink fins and from the fan blades by using compressed air. See
„
page 90.
Boards:
Select the inverter supply voltage and wait for 10 minutes.
Disconnect all the inverter cables, identifying each one in order to reconnect them correctly later.
Remove the plastic cover (see
TECHNICAL SPECIFICATIONS on page
Remove the dust accumulated on the boards using an anti-static brush and/or an ionizing air gun.
Always wear a grounding strap.
Table 6.2: Preventive maintenance
Interval
After 40000 operating hours
inverter Every year from the manufacturing date
printed on the inverter identification label
used): (refer to Section 2.5 RECEIVING AND
STORAGE on page 11)
Every 10 years
Table 6.3: Recommended periodic inspections – every 6 months
Abnormality
Loose screws
Loose connectors
Dirty fans
Abnormal acoustic noise
Blocked fan
Abnormal vibration
Dust in the cabinet air filter
Accumulation of dust, oil, humidity, etc.
Odor
Accumulation of dust, oil, humidity, etc.
Loose connections screws
Discoloration/odor/electrolyte leakage
Expanded or broken safety valve
Frame expansion
Discoloration
Odor
Accumulation of dust
Dirt
Chapter 3 INSTALLATION AND CONNECTION on page 12
91).
Troubleshooting and Maintenance
Instructions
Replacement
Apply power to the inverter (voltage between
220 and 230 Vac, single-phase, 50 or 60
Hz) for at least one hour. Then, disconnect
the power supply and wait at least 24 hours
before using the inverter (reapply power)
Contact WEG technical support to obtain
replacement procedures
Corrective Action
Tighten
Clean
Replace the fan
Clean or replace
Clean
Replace
Clean
Tighten
Replace
Replace
Clean
and
Table 6.3 on
Figura A.3 on
APPENDIX B –
CFW100 G2 | 27